io.github.vmzakharov.ecdataframe.dsl.ComparisonOp Maven / Gradle / Ivy

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A tabular data structure based on the Eclipse Collections framework
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package io.github.vmzakharov.ecdataframe.dsl;

import io.github.vmzakharov.ecdataframe.dsl.value.BooleanValue;
import io.github.vmzakharov.ecdataframe.dsl.value.Value;

import java.time.LocalDate;

public interface ComparisonOp
extends PredicateOp
{
    ComparisonOp EQ = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand1.isVoid())
            {
                return BooleanValue.valueOf(operand2.isVoid());
            }

            if (operand2.isVoid())
            {
                return BooleanValue.valueOf(operand1.isVoid());
            }

            return operand1.applyPredicate(operand2, this);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(operand1.equals(operand2));
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            return BooleanValue.valueOf(operand1.equals(operand2));
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 == operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 == operand2);
        }

        @Override
        public String asString()
        {
            return "==";
        }
    };

    ComparisonOp NE = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand1.isVoid())
            {
                return BooleanValue.valueOf(!operand2.isVoid());
            }

            if (operand2.isVoid())
            {
                return BooleanValue.valueOf(!operand1.isVoid());
            }

            return operand1.applyPredicate(operand2, this);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(!operand1.equals(operand2));
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            return BooleanValue.valueOf(!operand1.equals(operand2));
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 != operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 != operand2);
        }

        @Override
        public String asString()
        {
            return "!=";
        }
    };

    ComparisonOp LT = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand2.isVoid())
            {
                return BooleanValue.FALSE;
            }

            if (operand1.isVoid())
            {
                return BooleanValue.TRUE;
            }

            return operand1.applyPredicate(operand2, this);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) < 0);
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            if (operand2 == null)
            {
                return BooleanValue.FALSE;
            }

            if (operand1 == null)
            {
                return BooleanValue.TRUE;
            }

            return BooleanValue.valueOf(operand1.compareTo(operand2) < 0);
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 < operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 < operand2);
        }

        @Override
        public String asString()
        {
            return "<";
        }
    };

    ComparisonOp LTE = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand1.isVoid())
            {
                return BooleanValue.TRUE;
            }

            if (operand2.isVoid())
            {
                return BooleanValue.FALSE;
            }

            return ComparisonOp.super.apply(operand1, operand2);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) <= 0);
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) <= 0);
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 <= operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 <= operand2);
        }

        @Override
        public String asString()
        {
            return "<=";
        }
    };

    ComparisonOp GT = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand1.isVoid())
            {
                return BooleanValue.FALSE;
            }

            if (operand2.isVoid())
            {
                return BooleanValue.TRUE;
            }

            return ComparisonOp.super.apply(operand1, operand2);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) > 0);
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) > 0);
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 > operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 > operand2);
        }

        @Override
        public String asString()
        {
            return ">";
        }
    };

    ComparisonOp GTE = new ComparisonOp()
    {
        @Override
        public BooleanValue apply(Value operand1, Value operand2)
        {
            if (operand2.isVoid())
            {
                return BooleanValue.TRUE;
            }

            if (operand1.isVoid())
            {
                return BooleanValue.FALSE;
            }

            return ComparisonOp.super.apply(operand1, operand2);
        }

        @Override
        public BooleanValue applyString(String operand1, String operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) >= 0);
        }

        @Override
        public BooleanValue applyDate(LocalDate operand1, LocalDate operand2)
        {
            return BooleanValue.valueOf(operand1.compareTo(operand2) >= 0);
        }

        @Override
        public BooleanValue applyLong(long operand1, long operand2)
        {
            return BooleanValue.valueOf(operand1 >= operand2);
        }

        @Override
        public BooleanValue applyDouble(double operand1, double operand2)
        {
            return BooleanValue.valueOf(operand1 >= operand2);
        }

        @Override
        public String asString()
        {
            return ">=";
        }
    };
}